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@json-render/chat ships native cards for agents

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@json-render/chat ships native cards for agents
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// 2h agoPRODUCT LAUNCH

@json-render/chat ships native cards for agents

ANNOUNCEMENTPRODUCTGITHUBX

Vercel’s @json-render/chat lets Chat SDK agents stream typed JSON-render specs into native Slack Block Kit, Teams Adaptive Cards, and other platform cards, including tables, charts, fields, and buttons. It launched in json-render v0.22.0 with schema validation and platform-limit controls.

// ANALYSIS

This is a meaningful step toward portable agent interfaces: developers define one catalog while platform adapters handle native rendering.

  • –Streams cards progressively as the model generates them
  • –Reuses one typed component catalog across Slack, Teams, and other Chat SDK platforms
  • –Validates generated specs against component schemas before delivery
  • –Platform-limit controls help prevent oversized or unsupported cards
  • –The tradeoff is that output remains constrained by each platform’s card capabilities
// TAGS
json-render-chatagentstructured-outputstreamingsdkdevtool

DISCOVERED

2h ago

2026-11-07

PUBLISHED

2h ago

2026-11-06

RELEVANCE

9/ 10

AUTHOR

ctatedev